/**
 * 
 */
package com.heliang.web;

import java.util.List;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.logging.log4j.Logger;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;

import com.heliang.dao.UserRepository;
import com.heliang.entity.User;

import io.swagger.annotations.ApiImplicitParam;
import io.swagger.annotations.ApiImplicitParams;
import io.swagger.annotations.ApiOperation;

/**
 * @author heliang 2016年11月2日
 */
@RestController
@RequestMapping(value = "/users")
public class UserController {
	private static Logger logger = org.apache.logging.log4j.LogManager.getLogger(IndexController.class);
	@Autowired
	private UserRepository userRepository;

	@ApiOperation(value = "获取用户列表", notes = "")
	@RequestMapping(value = "/", method = RequestMethod.GET)
	public List<User> getUserList() {
		// 处理"/users/"的GET请求，用来获取用户列表
		// 还可以通过@RequestParam从页面中传递参数来进行查询条件或者翻页信息的传递
		List<User> ulist = userRepository.findAll();

		logger.info("getUserList() loading");
		return ulist;
	}

	@ApiOperation(value = "创建用户", notes = "根据User对象创建用户")
	@ApiImplicitParam(name = "user", value = "用户详细实体user", required = true, dataType = "User")
	@RequestMapping(value = "/", method = RequestMethod.POST)
	public String postUser(@ModelAttribute User user) {
		// 处理"/users/"的POST请求，用来创建User
		// 除了@ModelAttribute绑定参数之外，还可以通过@RequestParam从页面中传递参数
		userRepository.save(user);
		logger.info("postUser() save ");
		// return "redirect:/getUserList";
		return "success";
	}

	@ApiOperation(value = "获取用户详细信息", notes = "根据url的id来获取用户详细信息")
	@ApiImplicitParam(name = "id", value = "用户ID", required = true, dataType = "Long")
	@RequestMapping(value = "/{id}", method = RequestMethod.GET)
	public User getUser(@PathVariable Long id) {
		// 处理"/users/{id}"的GET请求，用来获取url中id值的User信息
		// url中的id可通过@PathVariable绑定到函数的参数中
		User u = userRepository.findOne(id);
		return u;
	}

	@ApiOperation(value = "更新用户详细信息", notes = "根据url的id来指定更新对象，并根据传过来的user信息来更新用户详细信息")
	@ApiImplicitParams({ @ApiImplicitParam(name = "id", value = "用户ID", required = true, dataType = "Long"),
			@ApiImplicitParam(name = "user", value = "用户详细实体user", required = true, dataType = "User") })
	@RequestMapping(value = "/{id}", method = RequestMethod.PUT)
	public String putUser(@PathVariable Long id, @ModelAttribute User user) {
		// 处理"/users/{id}"的PUT请求，用来更新User信息
		User u = userRepository.getOne(id);
		u.setName(user.getName());
		u.setAge(user.getAge());
		userRepository.save(u);
		return "success";
	}

	@ApiOperation(value = "删除用户", notes = "根据url的id来指定删除对象")
	@ApiImplicitParam(name = "id", value = "用户ID", required = true, dataType = "Long")
	@RequestMapping(value = "/{id}", method = RequestMethod.DELETE)
	public String deleteUser(@PathVariable Long id) {
		// 处理"/users/{id}"的DELETE请求，用来删除User
		userRepository.delete(id);
		return "success";
	}
}
